party pooper
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idiom

party pooper

破坏他人乐趣的人
Meaning
someone who spoils the fun of others
Example
Don’t be a **party pooper**, join the fun!
不要做扫兴者，加入欢乐吧！
idiom

talk nineteen to the dozen

说话非常快而且不停
Meaning
to talk very quickly and without stopping
Example
Once she starts, she **talks nineteen to the dozen**.
她一开始就**不停地说话**。
idiom

strike a deal

达成协议或安排，特别是在商业中
Meaning
to reach an agreement or arrangement, especially in business
Example
After long discussions, the companies finally **struck a deal**.
经过长时间的讨论，公司终于**达成了一笔交易**
idiom

tip off

秘密地提供信息或警告
Meaning
to secretly give information or a warning
Example
A neighbor **tipped off** the police about the noise.
一位邻居秘密地向警察通报了噪音。
idiom

burning ambition

强烈的实现某事的愿望
Meaning
a very strong desire to achieve something
Example
He had a **burning ambition** to become a successful entrepreneur.
他有一个**强烈的愿望**要成为一名成功的企业家。
idiom

It rings a bell

某事听起来很熟悉
Meaning
something sounds familiar
Example
That name **rings a bell**, but I can’t remember where I heard it.
那个名字听起来很熟悉，但我记不得我在哪里听到的。
idiom

self-assured

自信
Meaning
confident and sure of oneself
Example
She walked into the room looking calm and **self-assured**.
她走进房间，看起来冷静且自信。
idiom

trending topic

一个目前在社交媒体上很流行的话题
Meaning
a subject that is currently popular on social media
Example
Her post became a **trending topic** on Twitter.
她的帖子在推特上成了一个趋势话题。
idiom

to be like family

像家人一样亲近
Meaning
to be as close as family members
Example
My neighbors are **like family** to me.
我的邻居对我来说就像家人一样。
idiom

cliffhanger

一个让观众悬念重重的结局
Meaning
an ending that leaves the audience in suspense
Example
The episode ended on a **cliffhanger**, so we can’t wait for the next one.
这一集以**悬崖式结局**结束，我们迫不及待地等待下一集。
idiom

A friend to all is a friend to none

那些试图取悦每个人的人最终可能没有取悦任何人
Meaning
Someone who tries to please everyone may end up pleasing no one
Example
He is friendly to everyone, but he has no real close friends because **a friend to all is a friend to none**.
他对每个人都很友好，但他没有真正亲近的朋友，因为**每个人的朋友是没有朋友的**。
idiom

team player

与他人合作良好的人
Meaning
someone who works well with others
Example
Every company values a good **team player**.
每个公司都看重一个优秀的团队球员。
idiom

take a step back

暂停并重新评估局势
Meaning
to pause and reassess a situation
Example
Sometimes you need to **take a step back** to see the bigger picture.
有时你需要**退后一步**，以便看到更大的画面。
idiom

tough cookie

一个坚强和坚定的人
Meaning
a strong and determined person
Example
She’s a **tough cookie** who never gives up easily.
她是一个**tough cookie**，从不轻易放弃。
idiom

take your life in your hands

做一些非常冒险或危险的事。
Meaning
To do something very risky or dangerous.
Example
You’re **taking your life in your hands** by driving in that storm.
你在那场暴风雨中开车就是在拿自己的生命冒险。
idiom

weak link

系统中最脆弱或不安全的部分
Meaning
the most vulnerable or insecure part of a system
Example
Humans are often the **weak link** in cybersecurity.
人类往往是网络安全中的薄弱环节。
idiom

scaling up

在初步成功后迅速扩大业务
Meaning
to expand a business rapidly after initial success
Example
After their Series A funding, the team focused on **scaling up**.
在获得A轮融资后，团队专注于迅速扩大业务。
idiom

on the right track

走在通往成功的正确道路上
Meaning
to be going in the correct direction to achieve success
Example
Your plan sounds great — you’re **on the right track**.
你的计划听起来很棒——你走在正确的道路上。
idiom

weigh in

在讨论中发表意见
Meaning
to give an opinion in a discussion
Example
Experts will **weigh in** on the proposal tomorrow.
专家们将在明天对该提案发表意见。
idiom

bend over backwards

付出巨大努力帮助或取悦某人
Meaning
to make a great effort to help or please someone
Example
She **bent over backwards** to make the event successful.
她竭尽全力使活动成功。
idiom

hang loose

放松并轻松对待事情
Meaning
to relax and take things easy
Example
We’re on vacation, so just **hang loose** and enjoy.
我们在度假，所以放松并享受吧。
idiom

pioneer a path

成为第一个做新颖或创新的事情的人。
Meaning
to be the first to do something new or innovative.
Example
She is determined to **pioneer a path** in sustainable fashion.
她决心在可持续时尚领域**开辟一条道路**。
idiom

tie the knot

结婚
Meaning
to get married
Example
They are planning to **tie the knot** next summer.
他们计划在明年夏天**结婚**。
idiom

Take one’s breath away

深深地惊讶或打动某人。
Meaning
To amaze or impress someone greatly.
Example
Her beauty **takes my breath away**.
她的美让我惊叹不已。
idiom

hit the ground running

精力充沛且成功地开始一件事
Meaning
to start something energetically and successfully
Example
She joined the team and **hit the ground running** on her first day.
她加入了团队，并在第一天就充满活力地投入工作。
idiom

fall for someone

开始爱上某人; 发展浪漫的感情
Meaning
to start loving someone; to develop romantic feelings
Example
He **fell for** her the moment he saw her smile.
他**爱上了她**，当他看到她的微笑。
idiom

The longest journey begins with a single step

任何大任务都从一个小步骤开始。
Meaning
Any big task starts with a small action.
Example
Don't worry about the entire project, **the longest journey begins with a single step**.
不要担心整个项目，**最长的旅程始于一步**。
idiom

nice to meet you

一种在第一次见面时使用的礼貌表达
Meaning
a polite expression used when meeting someone for the first time
Example
It's **nice to meet you**, I've heard a lot about you.
很高兴见到你，我听说过很多关于你的事情。
idiom

step away

从一种情况中稍作休息
Meaning
to take a short break from a situation
Example
Take a minute to **step away** if you feel overwhelmed.
如果你感到不堪重负，花一分钟**步开**一下。
idiom

A Scrooge

一个非常吝啬或小气的人。
Meaning
A very stingy or miserly person.
Example
Don’t be **a Scrooge**—it’s Christmas!
别做吝啬鬼——现在是圣诞节！
idiom

bolt from the blue

一个突然和意想不到的事件
Meaning
a sudden and unexpected event
Example
The project cancellation came as a **bolt from the blue**.
项目的取消就像晴天霹雳一样。
idiom

turn a blind eye

故意忽视错误或令人不快的事情
Meaning
to deliberately ignore something wrong or unpleasant
Example
The manager **turned a blind eye** to employees leaving early on Fridays.
经理对员工周五早退的事情视而不见。
idiom

a loose cannon

一个行为不可预测且可能引起问题的人。
Meaning
A person who behaves unpredictably and may cause problems.
Example
Be careful with him — he’s **a loose cannon**.
小心他——他是一个不可预测的人。
idiom

a weight off one's shoulders

解决问题或负担后的轻松感觉
Meaning
a feeling of relief after a problem or burden is resolved
Example
When she finished the project, it felt like a **weight off her shoulders**.
当她完成项目时，她感觉像肩上的重担被卸下了一样。
idiom

beyond words

无法用言语描述的极大或极端
Meaning
too great or extreme to be described in words
Example
Her kindness was **beyond words**.
她的善良是**无法用言语描述的**。
idiom

a window of opportunity

一个短暂的时期，在此期间可以有效地行动
Meaning
a short period when one has a chance to act effectively
Example
We have **a window of opportunity** to finalize the deal this week.
我们有**一个机会之窗**来完成这周的交易。
idiom

on the sly

秘密地; 以狡猾的方式
Meaning
secretly; in a sneaky way
Example
He met her **on the sly** without telling anyone.
他**秘密地**见到她，没告诉任何人。
idiom

glass half full

积极地看待事物而不是消极地
Meaning
to see things positively rather than negatively
Example
He always sees the **glass half full**, no matter what happens.
无论发生什么，他总是看到杯子是半满的。
idiom

there’s always tomorrow

未来你将有另一次机会
Meaning
you’ll have another chance in the future
Example
Don’t be sad about today’s failure — **there’s always tomorrow**.
不要为今天的失败感到难过——明天总会有机会。
idiom

note down

记下来以便记住
Meaning
to write something so you remember it
Example
Please **note down** the action items before we leave.
请在离开之前**记下**这些行动项目。
idiom

if you ask me

用于表达个人意见，通常在没有被询问的情况下
Meaning
used when giving a personal opinion, often without being asked
Example
**If you ask me**, they made a bad decision.
如果你问我，他们做了一个错误的决定。
idiom

come a long way

取得了很大的进步或改善
Meaning
to make a lot of progress or improvement
Example
She has **come a long way** since she started her career.
她自从开始自己的事业后取得了巨大的进步。
idiom

hold accountable

让某人为他们的行为负责
Meaning
to make someone responsible for their actions
Example
Managers should be **held accountable** for their team's results.
经理应该为他们团队的结果**承担责任**。
idiom

act out

通过行动来表现或表达情感
Meaning
to perform or express emotions through actions
Example
Children often **act out** their frustrations.
孩子们经常通过行动来表现他们的挫折感。
idiom

go the distance

尽管有困难，仍能成功完成某事
Meaning
to finish something successfully despite difficulties
Example
Only the most determined athletes can **go the distance**.
只有最坚决的运动员才能走到最后。
idiom

expand one's horizons

增加一个人的知识或经验
Meaning
to increase one’s knowledge or experience
Example
Traveling abroad can really help you **expand your horizons**.
出国旅行确实可以帮助你**扩展你的视野**。
idiom

a bumper crop

异常丰收
Meaning
an unusually large harvest
Example
Farmers are happy this year because of **a bumper crop** of rice.
农民们今年很高兴，因为**丰收的稻米**。
idiom

beyond a shadow of a doubt

毫无疑问；完全确定
Meaning
without any doubt; completely certain
Example
He is **beyond a shadow of a doubt** the best candidate for the job.
他**毫无疑问**是这个工作的最佳候选人。
idiom

in the same league

在质量或能力方面可比
Meaning
comparable in quality or ability
Example
Those two companies aren’t **in the same league**.
那两家公司不在同一个水平。
idiom

have a whale of a time

玩得非常开心
Meaning
to have an extremely enjoyable time
Example
We **had a whale of a time** at the beach party.
我们在沙滩派对上玩得非常开心。
idiom

downhearted

感到沮丧或悲伤
Meaning
feeling discouraged or sad
Example
She felt **downhearted** after failing the exam.
她在考试失败后感到**downhearted**。
idiom

shop till you drop

购物很长时间直到你累了
Meaning
to go shopping for a long time until you are tired
Example
My sister loves to **shop till she drops** during sales.
我姐姐喜欢在打折时购物到筋疲力尽。
idiom

trade off

在两个对立的事物之间取得平衡；做出妥协
Meaning
to balance between two opposing things; to compromise
Example
Globalization involves a **trade off** between efficiency and equality.
全球化涉及在效率和平等之间的**权衡**。
idiom

to draw the line

设定可接受的界限
Meaning
to set a limit on what is acceptable
Example
We need to **draw the line** between inspiration and plagiarism.
我们需要在灵感和剽窃之间**划定界限**。
idiom

Give it your best shot

尽你所能，尽最大努力。
Meaning
Try as hard as you can.
Example
Even if you fail, **give it your best shot**.
即使失败，尽最大努力。
idiom

get a grasp of

完全理解某事
Meaning
to understand something fully
Example
It took me a while to **get a grasp of** the new software.
我花了一些时间来**掌握**这个新软件。
idiom

Lead the charge

处于行动或运动的最前沿
Meaning
to be at the forefront of an action or movement
Example
He was the one to **lead the charge** in the new project.
他是新项目中**带头冲锋**的人。
idiom

take a nosedive

突然且剧烈下降
Meaning
to decline suddenly and dramatically
Example
The company's stock **took a nosedive** after the scandal.
在丑闻发生后，公司的股票**猛跌**。
idiom

off to a flying start

以非常成功的方式开始某事，像旅行一样
Meaning
to begin something, like a journey, very successfully
Example
Our trip was **off to a flying start** with perfect weather.
我们的旅行以完美的天气顺利开始。
idiom

bring up a family

抚养和照顾孩子
Meaning
to raise and take care of children
Example
They worked hard to **bring up a family**.
他们努力工作以抚养一个家庭。
idiom

a couch potato

一个花很多时间坐着看电视的人
Meaning
a person who spends a lot of time sitting and watching TV
Example
He’s become **a couch potato** since he lost his job.
他自从失去工作后，变成了**一块沙发土豆**。
idiom

Keep the faith

继续相信事情会好转。
Meaning
Continue to believe that things will work out.
Example
Even in hard times, **keep the faith**.
即使在困难时期，**保持信念**。
idiom

burning with envy

感到强烈的嫉妒
Meaning
feeling intense jealousy
Example
She was **burning with envy** when she heard about his promotion.
当她听说他的晋升时，她感到非常嫉妒。
idiom

set a good example

以一种方式行为，向他人展示他们应该如何行动
Meaning
to behave in a way that shows others how they should act
Example
Parents should **set a good example** for their children.
父母应该为孩子们**树立一个好榜样。**
idiom

a fair trial

一个所有方都被平等和公正对待的审判
Meaning
a trial where all sides are treated equally and justly
Example
The defendant demanded **a fair trial** to prove his innocence.
被告要求**一个公正的审判**来证明他的无辜。
idiom

to screw up

犯严重错误或弄坏某物
Meaning
to make a serious mistake or spoil something
Example
I really **screwed up** the presentation.
我真的把演讲搞砸了。
idiom

give someone a warm welcome

非常友好和热情地迎接某人
Meaning
to greet someone very kindly and enthusiastically
Example
They **gave us a warm welcome** when we arrived.
我们到达时，他们热情地欢迎了我们。
idiom

be thick as thieves

成为非常亲密的朋友
Meaning
to be very close friends
Example
Those two have been **thick as thieves** since childhood.
这两个人从小就是**非常亲密的朋友**。
idiom

let your hair down

放松并自由地享受
Meaning
to relax and enjoy yourself freely
Example
At the party, everyone **let their hair down**.
在派对上，每个人**放松自己并尽情享受**。
idiom

on the rise

价值或数量正在增加或增长
Meaning
increasing or growing in value or number
Example
Tech stocks are **on the rise** this quarter.
本季度科技股正在**上涨**。
idiom

meet someone halfway

同意与某人妥协
Meaning
to agree to compromise with someone
Example
We finally **met each other halfway** and agreed on a solution.
我们最终在半路上见面并达成了解决方案。
idiom

make a scene

制造喧闹或戏剧性的场面
Meaning
to create a noisy or dramatic disturbance
Example
Please don’t **make a scene** in public.
请不要在公共场合大吵大闹。
idiom

have faith in

相信或信任某人或某事
Meaning
to believe or trust in someone or something
Example
You should **have faith in** your abilities.
你应该 **相信自己** 的能力。
idiom

grease the wheels

通过帮助或简化过程使其更加顺畅
Meaning
to make a process run more smoothly by helping it along or making it easier
Example
Bribing officials is a common way to grease the wheels in international trade negotiations.
在国际贸易谈判中，行贿官员是润滑车轮的常见方式。
idiom

Hope for the best, prepare for the worst

始终保持乐观，但为任何结果做好准备。
Meaning
Always stay optimistic, but be ready for any outcome.
Example
She was nervous about the exam but decided to **hope for the best, prepare for the worst**.
她对考试感到紧张，但决定**希望最好，准备最坏**。
idiom

to take a deep dive

彻底调查或探索某事
Meaning
to thoroughly investigate or explore something
Example
Before the presentation, we need to **take a deep dive** into the data.
在演示之前，我们需要 **深入研究** 数据。
idiom

Practice makes perfect

你练习得越多，你就变得越好。
Meaning
The more you practice, the better you become.
Example
**Practice makes perfect**, so keep trying.
熟能生巧，所以继续尝试。
idiom

swing vote

一个尚未决定的选票，可能会朝任何方向发展
Meaning
a vote that is not yet decided and could go either way
Example
The **swing vote** will determine the outcome of the election.
摇摆票将决定选举的结果。
idiom

Take it easy

放松，不要太担心。
Meaning
To relax and not worry too much.
Example
**Take it easy**, everything will be fine.
放松，一切都会好起来的。
idiom

a blank slate

一个没有任何先前知识或经验的人
Meaning
a person with no prior knowledge or experience
Example
He came to the school like a **blank slate**.
他像一张**空白纸**一样来到学校。
idiom

farm out

将工作交给别人做
Meaning
to give work to someone else to do
Example
The company decided to **farm out** its design work.
公司决定将其设计工作外包。
idiom

cry your heart out

因悲伤而大声哭泣
Meaning
to cry a lot due to sadness
Example
She **cried her heart out** after hearing the bad news.
听到坏消息后，她痛哭流涕。
idiom

look before you leap

在做任何事情之前，仔细思考可能的风险
Meaning
to think carefully about possible risks before doing something
Example
Before starting your own business, remember to **look before you leap**.
在开始自己的生意之前，记得 **look before you leap**。
idiom

twist someone's arm

强迫某人说服
Meaning
to persuade someone forcefully
Example
I had to **twist his arm** to get him to come.
我不得不**扭他的胳膊**让他来。
idiom

the big picture

情况的整体视角或透视
Meaning
the overall view or perspective of a situation
Example
It’s important to look at **the big picture** before making decisions.
在做决定之前，看**大图**是很重要的。
idiom

Pull one’s weight

对某事完全感到厌倦或烦恼
Meaning
To do your fair share of work.
Example
If everyone **pulls their weight**, the job will be done quickly.
我厌倦了听他的借口。
idiom

rule of law

每个人都受法律约束的原则
Meaning
the principle that everyone is subject to the law
Example
Democracy depends on the **rule of law**.
民主依赖于法治。
idiom

ray of hope

可能会发生一些好事的一个小迹象
Meaning
a small sign that something good might happen
Example
The new treatment offers a **ray of hope** for patients.
新治疗为病人提供了一个**希望之光**。
idiom

in the trenches

深深参与艰难工作或挑战性情境
Meaning
to be deeply involved in hard work or challenging situations
Example
She’s **in the trenches** with the rest of the team, solving problems every day.
她与团队的其他成员一起，**在战壕里**，每天解决问题。
idiom

Put the pedal to the metal

付出更大的努力，并更加努力地工作。
Meaning
To push harder and make a greater effort.
Example
We need to **put the pedal to the metal** if we want to meet the deadline.
如果我们想按时完成，我们需要**把油门踩到底**。
idiom

fly high

非常成功或快乐
Meaning
to be very successful or happy
Example
After winning the award, she’s been **flying high**.
赢得奖项后，她一直非常高兴。
idiom

friends in high places

拥有权力或影响力的人，可以帮助你
Meaning
people with power or influence who can help you
Example
He got the job because he has **friends in high places**.
他得到这份工作是因为他有**在高位的朋友**。
idiom

have faith in yourself

相信自己的能力和决定
Meaning
to trust your own abilities and decisions
Example
**Have faith in yourself**, you can do this!
相信自己，你能做到！
idiom

hold your horses

耐心一点；等一下
Meaning
to be patient; to wait
Example
**Hold your horses**! The show hasn’t started yet.
耐心一点！表演还没开始。
idiom

go head to head

直接竞争或互相对抗
Meaning
to directly compete or confront each other
Example
The two negotiators went **head to head** over the contract terms.
两名谈判代表就合同条款进行了**面对面**的较量。
idiom

in seventh heaven

处于极度幸福的状态
Meaning
in a state of great happiness
Example
They were **in seventh heaven** during their honeymoon.
他们在蜜月期间如同置身天堂。
idiom

find your balance

保持健康的工作和生活平衡
Meaning
to maintain a healthy work-life equilibrium
Example
It’s important to **find your balance** between work and rest.
在工作和休息之间找到平衡非常重要。
idiom

paint oneself into a corner

创造一种情况，人在其中有有限的选择
Meaning
to create a situation where one has limited options
Example
He **painted himself into a corner** by promising too much.
他通过承诺太多，**把自己画进了死角**。
idiom

come into the spotlight

获得公众关注或认可
Meaning
to receive public attention or recognition
Example
She **came into the spotlight** after winning the award.
她 **进入了聚光灯** 之后获得了奖项。
idiom

cancel culture

在某人做了冒犯性的事情之后撤回对他们的支持的做法
Meaning
the practice of withdrawing support from someone after they do something offensive
Example
Many celebrities fear **cancel culture** online.
许多名人害怕在线的**取消文化**
idiom

beam me up

快速离开一个地方或逃避一个令人不愉快的情境
Meaning
to leave a place quickly or escape an unpleasant situation
Example
This meeting is so boring—someone please **beam me up**!
这个会议太无聊了—有人请**beam me up**!
idiom

hot under the collar

感到愤怒或尴尬
Meaning
feeling angry or embarrassed
Example
He got **hot under the collar** when his mistake was pointed out.
当指出他的错误时，他变得生气了。
idiom

burn out

由于过度工作而变得非常疲劳并失去动力
Meaning
to become very tired and lose motivation due to overwork
Example
If you don’t rest, you’ll **burn out** soon.
如果你不休息，你很快就会**精疲力尽**。
idiom

fall on one's shoulders

对困难或不愉快的事情负责
Meaning
to be responsible for something difficult or unpleasant
Example
The task of organizing the event **fell on her shoulders**.
组织活动的任务落在了她的肩膀上。
idiom

party line

政党的官方政策或立场
Meaning
the official policy or position of a political party
Example
Members were warned not to speak against the **party line**.
成员们被警告不要反对**政党路线**。
idiom

roll into

平稳过渡到某事
Meaning
to transition smoothly into something
Example
The webinar will **roll into** a live Q&A.
网络研讨会将进入一个现场问答环节。
idiom

turn the other cheek

忽视侮辱或避免复仇
Meaning
to ignore insults or avoid taking revenge
Example
He chose to **turn the other cheek** instead of fighting back.
他选择了**转过另一边脸**而不是反击。
idiom

on the horizon

即将发生
Meaning
likely to happen soon
Example
A new product launch is **on the horizon**.
新产品的发布即将到来。
idiom

on the grapevine

间接听到八卦或谣言
Meaning
to hear gossip or rumor indirectly
Example
I heard **on the grapevine** that they’re getting divorced.
我**从八卦中听说**他们要离婚了。
idiom

The more, the merrier

当有更多人参与时，事情会更有趣或更有效。
Meaning
Things are more fun or effective with more people involved.
Example
Bring your friends along — **the more, the merrier**!
带上你的朋友——人越多越热闹！
idiom

nuts and bolts

某事的基本实际细节
Meaning
the basic practical details of something
Example
Let's focus on the **nuts and bolts** of this new project.
让我们专注于这个新项目的 **nuts and bolts**。
idiom

stay ahead of the game

比别人更成功或更有准备
Meaning
to be more successful or prepared than others
Example
To **stay ahead of the game**, you must always keep learning.
要**保持领先地位**，你必须不断学习。
idiom

hold the upper hand

拥有更多的权力或优势
Meaning
to have more power or advantage over others
Example
Negotiations continued, but the buyer **held the upper hand**.
谈判继续进行，但买方 **占据了上风**。
idiom

a global village

由于科技和通信，世界被视为一个单一的社区
Meaning
the world considered as a single community due to technology and communication
Example
The internet has turned the world into **a global village**.
互联网把世界变成了一个全球村。
idiom

put in a good word for someone

为某人说一些积极的话来帮助他
Meaning
to say something positive about someone in order to help them
Example
I will **put in a good word for you** with the manager.
我会为你向经理说几句好话。
idiom

zero gravity

完全自由或没有压力的状态
Meaning
a state of complete freedom or lack of pressure
Example
After quitting his stressful job, he felt like he was in **zero gravity**.
辞掉压力大的工作后，他感觉自己像在零重力中。
idiom

go up in smoke

完全失败; 什么都没得到
Meaning
to fail completely; to come to nothing
Example
All his dreams **went up in smoke** after the deal collapsed.
在交易失败后，他所有的梦想**化为乌有**。
idiom

social engineering

通过心理策略操纵人们泄露机密信息
Meaning
manipulating people into divulging confidential information through psychological tactics
Example
The attacker used **social engineering** to gain access to the company’s secure database.
攻击者利用**社交工程**获取了公司安全数据库的访问权限。
idiom

hold onto

保留某物的所有权
Meaning
to keep possession of something
Example
Hold onto your receipts until the refund clears.
保留你的收据，直到退款清算。
idiom

mark up

提高某物的价格
Meaning
to increase the price of something
Example
Vendors plan to **mark up** prices during the festival.
商家计划在节日期间**标记价格**。
idiom

firewall

一种用于保护网络免受未经授权访问的安全系统。
Meaning
A security system designed to protect a network from unauthorized access.
Example
The company installed a **firewall** to protect sensitive data from cyber attacks.
公司安装了一个**防火墙**，以保护敏感数据免受网络攻击。